DIFF Main Group
E01D 19/00 Structural or constructional details of bridges
Introduced: September 1968
Title
Titles differ between systems:
IPC: Details of bridges
CPC: Structural or constructional details of bridges
Full Title
Full titles differ between systems:
IPC:
Details of bridges
CPC:
Structural or constructional details of bridges
Of 9 combined children, 8 exist in both systems.
1 codes are CPC-only extensions.
6 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E01D 19/06 Arrangement, construction or bridging of expansion joints (; sealing joints not restricted to expansion joints for bridges E04B1/68) +3 CPC IPC+CPC Available in IPC and CPC
- E01D 19/08 Damp-proof or other insulating layers; Drainage arrangements or devices +2 CPC IPC+CPC Available in IPC and CPC
- E01D 19/10 Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges (; supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets, F16L3/00) +2 CPC IPC+CPC Available in IPC and CPC
- E01D 19/12 Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges (sleepers E01B3/00) +1 CPC IPC+CPC Available in IPC and CPC
- E01D 19/16 Suspension cables; Cable clamps for suspension cables since 1995 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class E01,2013–2023, worldwide · Source: EPO PATSTAT
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 2,096
- CHANG AN UNIVERSITY 1,878
- ROAD & BRIDGE INTERNATIONAL COMPANY 1,796
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 1,493
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 1,327
- CCCC FIRST HIGHWAY ENGINEERING GROUP COMPANY 1,133
- CCCC SECOND HARBOUR ENGINEERING COMPANY 1,029
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 935
- TONGJI UNIVERSITY 899
- CATERPILLAR PAVING PRODUCTS US 868
Top Applicants (CPC)
Class E01,2013–2023, worldwide · Source: EPO PATSTAT
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
- CATERPILLAR PAVING PRODUCTS US 937
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
- WIRTGEN DE 740
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
- CHANG AN UNIVERSITY 615
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
- SOUTHEAST UNIVERSITY 562
- TONGJI UNIVERSITY 500
- ROAD & BRIDGE INTERNATIONAL COMPANY 491